diff options
Diffstat (limited to 'src/shared/libfido2-util.h')
| -rw-r--r-- | src/shared/libfido2-util.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/shared/libfido2-util.h b/src/shared/libfido2-util.h new file mode 100644 index 0000000..a04a376 --- /dev/null +++ b/src/shared/libfido2-util.h @@ -0,0 +1,129 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "macro.h" + +typedef enum Fido2EnrollFlags { + FIDO2ENROLL_PIN = 1 << 0, + FIDO2ENROLL_UP = 1 << 1, /* User presence (ie: touching token) */ + FIDO2ENROLL_UV = 1 << 2, /* User verification (ie: fingerprint) */ + FIDO2ENROLL_PIN_IF_NEEDED = 1 << 3, /* If auth doesn't work without PIN ask for one, as in systemd 248 */ + FIDO2ENROLL_UP_IF_NEEDED = 1 << 4, /* If auth doesn't work without UP, enable it, as in systemd 248 */ + FIDO2ENROLL_UV_OMIT = 1 << 5, /* Leave "uv" untouched, as in systemd 248 */ + _FIDO2ENROLL_TYPE_MAX, + _FIDO2ENROLL_TYPE_INVALID = -EINVAL, +} Fido2EnrollFlags; + +#if HAVE_LIBFIDO2 +#include <fido.h> + +extern int (*sym_fido_assert_allow_cred)(fido_assert_t *, const unsigned char *, size_t); +extern void (*sym_fido_assert_free)(fido_assert_t **); +extern size_t (*sym_fido_assert_hmac_secret_len)(const fido_assert_t *, size_t); +extern const unsigned char* (*sym_fido_assert_hmac_secret_ptr)(const fido_assert_t *, size_t); +extern fido_assert_t* (*sym_fido_assert_new)(void); +extern int (*sym_fido_assert_set_clientdata_hash)(fido_assert_t *, const unsigned char *, size_t); +extern int (*sym_fido_assert_set_extensions)(fido_assert_t *, int); +extern int (*sym_fido_assert_set_hmac_salt)(fido_assert_t *, const unsigned char *, size_t); +extern int (*sym_fido_assert_set_rp)(fido_assert_t *, const char *); +extern int (*sym_fido_assert_set_up)(fido_assert_t *, fido_opt_t); +extern int (*sym_fido_assert_set_uv)(fido_assert_t *, fido_opt_t); +extern size_t (*sym_fido_cbor_info_extensions_len)(const fido_cbor_info_t *); +extern char **(*sym_fido_cbor_info_extensions_ptr)(const fido_cbor_info_t *); +extern void (*sym_fido_cbor_info_free)(fido_cbor_info_t **); +extern fido_cbor_info_t* (*sym_fido_cbor_info_new)(void); +extern size_t (*sym_fido_cbor_info_options_len)(const fido_cbor_info_t *); +extern char** (*sym_fido_cbor_info_options_name_ptr)(const fido_cbor_info_t *); +extern const bool* (*sym_fido_cbor_info_options_value_ptr)(const fido_cbor_info_t *); +extern void (*sym_fido_cred_free)(fido_cred_t **); +extern size_t (*sym_fido_cred_id_len)(const fido_cred_t *); +extern const unsigned char* (*sym_fido_cred_id_ptr)(const fido_cred_t *); +extern fido_cred_t* (*sym_fido_cred_new)(void); +extern int (*sym_fido_cred_set_clientdata_hash)(fido_cred_t *, const unsigned char *, size_t); +extern int (*sym_fido_cred_set_extensions)(fido_cred_t *, int); +extern int (*sym_fido_cred_set_rk)(fido_cred_t *, fido_opt_t); +extern int (*sym_fido_cred_set_rp)(fido_cred_t *, const char *, const char *); +extern int (*sym_fido_cred_set_type)(fido_cred_t *, int); +extern int (*sym_fido_cred_set_user)(fido_cred_t *, const unsigned char *, size_t, const char *, const char *, const char *); +extern int (*sym_fido_cred_set_uv)(fido_cred_t *, fido_opt_t); +extern void (*sym_fido_dev_free)(fido_dev_t **); +extern int (*sym_fido_dev_get_assert)(fido_dev_t *, fido_assert_t *, const char *); +extern int (*sym_fido_dev_get_cbor_info)(fido_dev_t *, fido_cbor_info_t *); +extern void (*sym_fido_dev_info_free)(fido_dev_info_t **, size_t); +extern int (*sym_fido_dev_info_manifest)(fido_dev_info_t *, size_t, size_t *); +extern const char* (*sym_fido_dev_info_manufacturer_string)(const fido_dev_info_t *); +extern const char* (*sym_fido_dev_info_product_string)(const fido_dev_info_t *); +extern fido_dev_info_t* (*sym_fido_dev_info_new)(size_t); +extern const char* (*sym_fido_dev_info_path)(const fido_dev_info_t *); +extern const fido_dev_info_t* (*sym_fido_dev_info_ptr)(const fido_dev_info_t *, size_t); +extern bool (*sym_fido_dev_is_fido2)(const fido_dev_t *); +extern int (*sym_fido_dev_make_cred)(fido_dev_t *, fido_cred_t *, const char *); +extern fido_dev_t* (*sym_fido_dev_new)(void); +extern int (*sym_fido_dev_open)(fido_dev_t *, const char *); +extern int (*sym_fido_dev_close)(fido_dev_t *); +extern const char* (*sym_fido_strerr)(int); + +int dlopen_libfido2(void); + +static inline void fido_cbor_info_free_wrapper(fido_cbor_info_t **p) { + if (*p) + sym_fido_cbor_info_free(p); +} + +static inline void fido_assert_free_wrapper(fido_assert_t **p) { + if (*p) + sym_fido_assert_free(p); +} + +static inline void fido_dev_free_wrapper(fido_dev_t **p) { + if (*p) { + sym_fido_dev_close(*p); + sym_fido_dev_free(p); + } +} + +static inline void fido_cred_free_wrapper(fido_cred_t **p) { + if (*p) + sym_fido_cred_free(p); +} + +int fido2_use_hmac_hash( + const char *device, + const char *rp_id, + const void *salt, + size_t salt_size, + const void *cid, + size_t cid_size, + char **pins, + Fido2EnrollFlags required, + void **ret_hmac, + size_t *ret_hmac_size); + +int fido2_generate_hmac_hash( + const char *device, + const char *rp_id, + const char *rp_name, + const void *user_id, size_t user_id_len, + const char *user_name, + const char *user_display_name, + const char *user_icon, + const char *askpw_icon_name, + Fido2EnrollFlags lock_with, + int cred_alg, + void **ret_cid, size_t *ret_cid_size, + void **ret_salt, size_t *ret_salt_size, + void **ret_secret, size_t *ret_secret_size, + char **ret_usedpin, + Fido2EnrollFlags *ret_locked_with); + +int parse_fido2_algorithm(const char *s, int *ret); +#else +static inline int parse_fido2_algorithm(const char *s, int *ret) { + return -EOPNOTSUPP; +} +#endif + +int fido2_list_devices(void); +int fido2_find_device_auto(char **ret); + +int fido2_have_device(const char *device); |